Question about 2003 Dodge Grand Caravan AWD
Got a 2003 grand caravan 3.3 80000 km and last few months the mileage has increased dramatically. checked and changed air filter will try plugs next, any ideas?
Try changing the oil also it will cause the engine to burn more fuel with bad oil because it gets hot and evaporates it alot more
Posted on Feb 03, 2009
In your vehicle, you should be getting an average of 18-20 MPG. There are several factors that can affect your fuel consumption: Low tire pressure, the wrong oil weight (you should be using 5W-20 or 5W-30), excessively rich fuel mixture, incorrect ignition timing, defective catalytic converter, defective oxygen sensor (which can cause the too rich fuel mixture and also affect the timing). Based on what you are describing, I'm betting on the oxygen sensor, because it is one of the malfunctions that can cause such a dramatic (and sudden) change to fuel consumption.
Posted on Sep 19, 2013
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Posted on Jan 02, 2017
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